(i)[4]
Determine the speed and the direction of motion of $P$ at the moment it hits the water.
(ii)[4]
Determine the distance $OP$ at the instant when $P$ reaches the water.
Mathematics 9709 · AS & A Level · Representation of data
Representation of data — practice question
A vertical cliff stands $20\,\text{m}$ above sea level. Particle $P$ is launched from point $O$ at the cliff top with speed $15\,\text{m s}^{-1}$ at an angle of $30^\circ$ above the horizontal.